229143185 has 8 divisors (see below), whose sum is σ = 275766336. Its totient is φ = 182784880.

The previous prime is 229143113. The next prime is 229143191. The reversal of 229143185 is 581341922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229143185 - 2⁸ = 229142929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64301 + ... + 67770.

It is an arithmetic number, because the mean of its divisors is an integer number (34470792).

Almost surely, 2^229143185 is an apocalyptic number.

It is an amenable number.

229143185 is a deficient number, since it is larger than the sum of its proper divisors (46623151).

229143185 is a wasteful number, since it uses less digits than its factorization.

229143185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132423.

The product of its digits is 17280, while the sum is 35.

The square root of 229143185 is about 15137.4761766947. The cubic root of 229143185 is about 611.9308031537.

The spelling of 229143185 in words is "two hundred twenty-nine million, one hundred forty-three thousand, one hundred eighty-five".